NEW YORK (S&P Global Ratings) Oct. 26, 2018--S&P Global Ratings placed its 'AA' rating on Greystone Multifamily Mortgage Bond Trust's series 2018-01 custodial receipts on Creditwatch with negative implications. This rating action follows S&P Global Ratings' rating action on the underlying bonds for Massachusetts Development Finance Agency. (For further information, please see the article, titled "Massachusetts Development Finance Agency 'AA' Rating Placed On CreditWatch Negative On Lack Of Financial Information," published on RatingsDirect on Oct. 2, 2018.) The long-term component of the ratings on the floaters and the ratings on the residuals reflect the ratings on the underlying bonds and S&P Global Ratings' expectation of the likelihood of bondholders receiving interest and principal payments when due. Changes to the ratings